In all the world, Vierra (Vierra 
) is quite a rare unisex first name. The forename Vierra is habitual in the Democratic Republic of the Congo, where it is quite a rare epicene name, Indonesia, where it is a rare dominantly female, but infrequently boy's name, and South Africa, where it is a very rare dominantly girly, but seldom boy's name. Measured by absolute frequency, the name is most common in the Democratic Republic of the Congo, Indonesia, and the United States. Also, Vierra is the last name as well as the forename.
Vierra is also a name for the fictitious and mythical characters: Vierra , the fictional character from Mushoku Tensei.